Circle and Related Terms
Circle And Related Terms
Circles:
A collection of all points in a plane which are at a fixed distance from a fixed point is known as a circle. or we can say that a circle is a path followed by a point which is moving on a plane such that its distance from the fixed point remains the same. Circle is a set of points or collection of points in a plane which are equidistant from a fixed point..
The various terms used in context with circle are
1. Center: The fixed point from which the distance remains the same is called the center of the circle. In the figure O is the centre of the circle.
2. Radius: The fixed distance from the center is called radius of the circle. It is also defined as the line segment joining the center to any point on the circle. In the figure ON is the radius of the circle.The plural of radius is radii
3. Position of a point with respect to a circle: A circle divides the plane into three parts.
(1) Inside the circle or interior of the circle: A point is said to be inside the circle if its distance from the center is less than the circle. All points lying inside the circle constitute interior of a circle.
(2) On the Circle: A point is said to lie on the circle if its distance from the center is equal to the radius of the circle.
(3) Outside the circle or exterior of the circle: A point is said to be outside the circle if its distance from the center is more than the circle. All points lying outside the circle constitute exterior of a circle.
Circular Region:
The collection of points lying inside and on the circle are called its circular region. It is collection of all points whose distance the center is either equal to radius or less than the radius. It is also called Circular Disc.
Concentric Circles:
Circles having same center point but different radii are known as concentric circles.
Which of the following statement / statements are correct regarding the figure below
(1) Point P, R and S lie on the circle (2) O is the centre of circle. (3) Point E, F and C lie in the interior of the circle. (4) Point A, B, G and D lie in the exterior of the circle. | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following statement / statements are not correct regarding the figure below
(1) Point A, B, C, D and E lie on the circle (2) OC, OA and OB are the radii of the circle. (3) Point P lies in the interior of the circle. (4) Point Q lies in the exterior of the circle. | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following statement / statements are correct regarding the figure below
(1) Point A, B, C, D and E lie on the circle (2) OC, OA and OB are the radii of the circle. (3) Point P lies in the interior of the circle. (4) Point Q lies in the exterior of the circle. | |||
| Right Option : D | |||
| View Explanation | |||
Students / Parents Reviews [20]
One of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
Aman Kumar Shrivastava
10thMy experience with Abhyas Academy has been very good. When I was not in Abhyas whenever teacher ask questions I could not speak it confidently but when I came in Abhyas, my speaking skills developed and now I am the first one to give the answer of teachers question.
Upmanyu Sharma
7thIt was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
Cheshta
10thMy experience with Abhyas academy is very nice or it can be said wonderful. I have been studying here from seven class. I have been completing my journey of three years. I am tinking that I should join Abhyas Academy in tenth class as I am seeing much improvement in Maths and English
Hridey Preet
9thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
Archit Segal
7thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
Shreya Shrivastava
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Barkha Arora
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Manish Kumar
10thIn terms of methodology I want to say that institute provides expert guidence and results oriented monitering supplements by requsite study material along with regular tests which help the students to improve their education skills.The techniques of providing education helps the students to asses...
Aman Kumar Shrivastava
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Manish Kumar
10thMy experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
8thAbhyas institute is one of the best coaching institute in the vicinity of Ambala cantt.The institute provides good and quality education to the students.The teachers are well experienced and are very helpful in solving the problems. The major advantages of the institute is extra classes for weak...
Shreya Shrivastava
8thThird consective year,my ward is in Abhyas with nice experience of admin and transport support.Educational standard of the institute recumbent at satisfactory level. One thing would live to bring in notice that last year study books was distributed after half of the session was over,though study ...
Ayan Ghosh
8thWe started with lot of hope that Abhyas will help in better understnding of complex topics of highers classes. we are not disappointed with the progress our child has made after attending Abhyas. Though need to mention that we expected a lot more. On a scale of 1-10, we would give may be 7.
Manya
8thAbhyas academy is great place to learn. I have learnt a lot here they have finished my fear of not answering.It has created a habit of self studying in me.The teachers here are very supportive and helpful. Earlier my maths and science was good but now it has been much better than before.
Barkha Arora
10thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
10thUsually we see institutes offering objective based learning which usually causes a lag behind in subjective examinations which is the pattern followed by schools. I think it is really a work of planning to make us students grab the advantages of modes of examination, Objective Subjective and Onli...
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Hiya Gupta
8thAbhyas is an institute of high repute. Yogansh has taken admission last year. It creates abilities in child to prepare for competitive exams. Students are motivated by living prizes on basis of performance in Abhyas exams. He is satisfied with institute.
